1#ifndef _DRXK_H_
2#define _DRXK_H_
3
4#include <linux/kconfig.h>
5#include <linux/types.h>
6#include <linux/i2c.h>
7
8/**
9 * struct drxk_config - Configure the initial parameters for DRX-K
10 *
11 * @adr:		I2C address of the DRX-K
12 * @parallel_ts:	True means that the device uses parallel TS,
13 * 			Serial otherwise.
14 * @dynamic_clk:	True means that the clock will be dynamically
15 *			adjusted. Static clock otherwise.
16 * @enable_merr_cfg:	Enable SIO_PDR_PERR_CFG/SIO_PDR_MVAL_CFG.
17 * @single_master:	Device is on the single master mode
18 * @no_i2c_bridge:	Don't switch the I2C bridge to talk with tuner
19 * @antenna_gpio:	GPIO bit used to control the antenna
20 * @antenna_dvbt:	GPIO bit for changing antenna to DVB-C. A value of 1
21 *			means that 1=DVBC, 0 = DVBT. Zero means the opposite.
22 * @mpeg_out_clk_strength: DRXK Mpeg output clock drive strength.
23 * @microcode_name:	Name of the firmware file with the microcode
24 * @qam_demod_parameter_count:	The number of parameters used for the command
25 *				to set the demodulator parameters. All
26 *				firmwares are using the 2-parameter commmand.
27 *				An exception is the "drxk_a3.mc" firmware,
28 *				which uses the 4-parameter command.
29 *				A value of 0 (default) or lower indicates that
30 *				the correct number of parameters will be
31 *				automatically detected.
32 *
33 * On the *_gpio vars, bit 0 is UIO-1, bit 1 is UIO-2 and bit 2 is
34 * UIO-3.
35 */
36struct drxk_config {
37	u8	adr;
38	bool	single_master;
39	bool	no_i2c_bridge;
40	bool	parallel_ts;
41	bool	dynamic_clk;
42	bool	enable_merr_cfg;
43
44	bool	antenna_dvbt;
45	u16	antenna_gpio;
46
47	u8	mpeg_out_clk_strength;
48	int	chunk_size;
49
50	const char	*microcode_name;
51	int		 qam_demod_parameter_count;
52};
53
54#if IS_ENABLED(CONFIG_DVB_DRXK)
55extern struct dvb_frontend *drxk_attach(const struct drxk_config *config,
56					struct i2c_adapter *i2c);
57#else
58static inline struct dvb_frontend *drxk_attach(const struct drxk_config *config,
59					struct i2c_adapter *i2c)
60{
61        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
62        return NULL;
63}
64#endif
65
66#endif
67